/*
 * Copyright (C) 2009, Stefan Schake <caytchen@gmail.com>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Git Development Community nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System.Collections.Generic;
using GitSharp.Core;
using GitSharp.Core.Transport;

namespace GitSharp.Commands
{
	public class FetchCommand : AbstractFetchCommand
	{
		public string Remote { get; set; }
		public List<RefSpec> RefSpecs { get; set; }
		public ProgressMonitor ProgressMonitor { get; set; }

		public bool? Prune { get; set; }
		public bool DryRun { get; set; }
		public bool? Thin { get; set; }

		public FetchResult Result
		{
			get; private set;
		}

		public FetchCommand()
		{
			Remote = Constants.DEFAULT_REMOTE_NAME;
			ProgressMonitor = NullProgressMonitor.Instance;
		}

		public override void Execute()
		{
			Transport tn = Transport.open(Repository._internal_repo, Remote);

			if (Prune != null)
				tn.RemoveDeletedRefs = Prune.Value;
			if (Thin != null)
				tn.FetchThin = Thin.Value;
			tn.DryRun = DryRun;

			try
			{
				Result = tn.fetch(ProgressMonitor, RefSpecs);
				if (Result.TrackingRefUpdates.Count == 0)
					return;
			}
			finally
			{
				tn.Dispose();
			}
			showFetchResult(tn, Result);
		}
	}
}